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22 February, 07:03

The table below describes band members at Mike's school.

Band Member Knowledge of Instruments

Can Play

More than One Instrument

Can Only Play

One

Instrument

15

Grade 6

Grade 7

Grade 8

20

6

8

7

18

Mike used the computation

-0.33 = 33% to find the percentage of eighth-grade band members who can play more

than one instrument What error did Mike make?

+3
Answers (1)
  1. 22 February, 07:09
    0
    The answer is B Mike used the total of the column containing 7 as his denominator instead of the total of the row containing 7
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